Rev C 1/5/15

2

2:1, DIFFERENTIAL-TO-3.3V DUAL LVPECL/ECL CLOCK

MULTIPLEXER

85356 DATA SHEET

Table 1. Pin Descriptions

NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.

Table 2. Pin Characteristics

Function Tables

Table 3. Control Input Function Table

Number

Name

Type

Description

14, 20

VCC

Power

Positive supply pins.

1

CLK0A

Input

Pulldown

Non-inverting differential clock input.

2

nCLK0A

Input

Pullup

Inverting differential clock input.

3, 8

nc

Unused

No connect.

4

CLK0B

Input

Pulldown

Non-inverting differential clock input.

5

nCLK0B

Input

Pullup

Inverting differential clock input.

6

CLK1A

Input

Pulldown

Non-inverting differential clock input.

7

nCLK1A

Input

Pullup

Inverting differential clock input.

9

CLK1B

Input

Pulldown

Non-inverting differential clock input.

10

nCLK1B

Input

Pullup

Inverting differential clock input.

11

VEE

Power

Negative supply pin.

12, 13

nQ1,Q1

Output

Differential output pair. LVPECL interface levels.

15, 17

SEL1, SEL0

Input

Pullup

Clock select inputs. LVCMOS/LVTTL interface levels.

16

COM_SEL

Input

Pulldown

Common select input. LVCMOS/LVTTL interface levels.

18, 19

nQ0,Q0

Output

Differential output pair. LVPECL interface levels.

Symbol

Parameter

Test Conditions

Minimum

Typical

Maximum

Units

CIN

Input Capacitance

4

pF

RPULLUP

Input Pullup Resistor

51

k



RPULLDOWN

Input Pulldown Resistor

51

k



Inputs

Outputs

COM_SEL

SEL1

SEL0

Q0

nQ0

Q1

nQ1

0

0

0

CLK0A

nCLK0A

CLK1A

nCLK1A

0

0

1

CLK0B

nCLK0B

CLK1A

nCLK1A

0

1

0

CLK0A

nCLK0A

CLK1B

nCLK1B

0

1

1

CLK0B

nCLK0B

CLK1B

nCLK1B

1

x

x

CLK0B

nCLK0B

CLK1B

nCLK1B